// Fires when the identify operation has completed successfully. Updates the data shown in the
// identify dialog.
private void IdentifyTask_ExecuteCompleted(object sender, IdentifyEventArgs args)
{
PendingIdentifies--;
if (!waitedForDoubleClick && !initiatedByTouch)
{
identifyTaskResults.Add(args);
return;
}
reportResults(args);
}
void doubleClickTimer_Tick(object sender, EventArgs e)
{
doubleClickTimer.Stop();
waitedForDoubleClick = true;
// Initialize layer containing activity indicator to display on the map while results are
// being retrieved. Only add the activity indicator if there are outstanding identify
// operations and no results have been returned yet.
if (PendingIdentifies > 0 && (identifyTaskResults == null || identifyTaskResults.Count == 0))
{
if (busyLayer == null)
{
initializeBusyLayer();
}
else
{
busyLayer.Graphics[0].Geometry = clickPoint;
}
if (!Map.Layers.Contains(busyLayer))
{
Map.Layers.Add(busyLayer);
}
}
if (identifyTaskResults != null && identifyTaskResults.Count > 0)
{
foreach (object item in identifyTaskResults)
{
IdentifyEventArgs args = item as IdentifyEventArgs;
if (args != null)
{
reportResults(args);
}
else
{
GraphicsLayerResult result = item as GraphicsLayerResult;
if (result != null)
{
reportResults(result);
}
}
}
}
}
} // private void DrawComplete(object sender, DrawEventArgs e)
/// <summary>
/// Fires when the identify operation has completed successfully.
/// Updates the data shown in the identify dialog.
/// http://resources.esri.com/help/9.3/arcgisserver/apis/silverlight/help/Identify_task.htm
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void IdentifyTask_ExecuteCompleted(object sender, IdentifyEventArgs args)
{
log("VIdentify.IdentifyTask_ExecuteCompleted");
DataItems.Clear();
var title = identifyDialog.DataDisplayTitleBottom;
title.Text = "Ничего не найдено";
identifyDialog.IdentifyResultsPanel.Visibility = Visibility.Collapsed;
// shrink grid and restore column.width options later
var dg = identifyDialog.IdentifyDetailsDataGrid;
dg.ColumnWidth = DataGridLength.SizeToCells;
foreach (var col in dg.Columns)
{
col.Width = DataGridLength.SizeToHeader; // DataGridLength.Auto;
}
// fill datagrid with results
if (args.IdentifyResults != null && args.IdentifyResults.Count > 0)
{
title.Text = string.Format("Найдено записей: {0}",
args.IdentifyResults.Count);
identifyDialog.IdentifyResultsPanel.Visibility = Visibility.Visible;
foreach (IdentifyResult result in args.IdentifyResults)
{
Graphic feature = result.Feature;
DataItems.Add(new DataItem()
{
Title = (result.Value.ToString() + " (" + result.LayerName + ")").Trim(),
Data = feature.Attributes
});
} // foreach result
// update grid layout
dg.ColumnWidth = DataGridLength.Auto;
foreach (var col in dg.Columns)
{
col.Width = DataGridLength.Auto;
}
identifyDialog.UpdateLayout();
identifyDialog.IdentifyComboBox.SelectedIndex = 0;
} // if has results
} // private void IdentifyTask_ExecuteCompleted(object sender, IdentifyEventArgs args)
private void IdentifyTask_ExecuteCompleted(object sender, IdentifyEventArgs args)
{
DataListBox.ItemsSource = null;
if (args.IdentifyResults != null && args.IdentifyResults.Count > 0)
{
IdentifyResultsPanel.Visibility = Visibility.Visible;
IdentifyBorder.Visibility = Visibility.Visible;
ShowFeatures(args.IdentifyResults);
}
else
{
IdentifyListBox.Items.Clear();
IdentifyListBox.UpdateLayout();
IdentifyResultsPanel.Visibility = Visibility.Collapsed;
}
}
private void IdentifyTask_ExecuteCompleted(object sender, IdentifyEventArgs args)
{
IdentifyDetailsDataGrid.ItemsSource = null;
if (args.IdentifyResults != null && args.IdentifyResults.Count > 0)
{
IdentifyResultsPanel.Visibility = Visibility.Visible;
ShowFeatures(args.IdentifyResults);
}
else
{
IdentifyComboBox.Items.Clear();
IdentifyComboBox.UpdateLayout();
IdentifyResultsPanel.Visibility = Visibility.Collapsed;
}
}
private void IdentifyTask_ExecuteCompleted(object sender, IdentifyEventArgs args)
{
IdentifyDetailsDataGrid.ItemsSource = null;
if (args.IdentifyResults != null && args.IdentifyResults.Count > 0)
{
IdentifyResultsPanel.Visibility = Visibility.Visible;
NoResult.Visibility = Visibility.Collapsed;
Results.Visibility = Visibility.Visible;
ShowFeatures(args.IdentifyResults);
}
else
{
IdentifyComboBox.Items.Clear();
IdentifyComboBox.UpdateLayout();
Results.Visibility = Visibility.Collapsed;
NoResult.Visibility = Visibility.Visible;
}
}
void reportResults(IdentifyEventArgs args)
{
if (doNotShowResults)
{
removeBusyIndicator(); return;
}
if (args.IdentifyResults != null && args.IdentifyResults.Count > 0)
{
Layer layer = (args.UserState as UserState).Layer;
Collection <LayerInformation> layerInfos = ESRI.ArcGIS.Mapping.Core.LayerExtensions.GetLayerInfos(layer);
foreach (IdentifyResult result in args.IdentifyResults)
{
LayerInformation layerInfo = layerInfos.FirstOrDefault(l => l.ID == result.LayerId);
if (layerInfo != null)
{
PopupItem popupItem = PopupHelper.GetPopupItem(result.Feature, layer, layerInfo.Fields, layerInfo, result.LayerName, result.Value.ToString(), result.LayerId);
if (popupItem != null)
{
_popupInfo.PopupItems.Add(popupItem);
}
}
}
}
removeBusyIndicator();
if (_popupInfo.PopupItems.Count > 0)
{
if (_popupInfo.SelectedIndex < 0)
{
_popupInfo.SelectedIndex = 0;
}
PopupHelper.ShowPopup(_popupInfo, clickPoint);
}
}
private void IdentifyTask_ExecuteCompleted(object sender, IdentifyEventArgs e)
{
string mapName = (string)e.UserState;
string preName = "^?^";
GeoFeatureCollection features = null;
foreach (IdentifyResult result in e.IdentifyResults)
{
if (result.LayerName != preName)
{
if (features != null)
{
this.FeatureSets.Add(features);
}
AddToGraphicsLayer(result.Feature, (string)result.Value, result.DisplayFieldName, result.LayerName);
features = new GeoFeatureCollection(result.DisplayFieldName, result.LayerName, mapName);
features.Add(result.Feature);
preName = result.LayerName;
}
else if (features != null)
{
AddToGraphicsLayer(result.Feature, (string)result.Value, result.DisplayFieldName, result.LayerName);
features.Add(result.Feature);
}
}
// Add the last layer results
if (features != null)
{
this.FeatureSets.Add(features);
}
this.IsBusy = false;
}
// Populate ComboBox with the results when Identify is complete.
private void IdentifyTask_ExecuteCompleted(object sender, IdentifyEventArgs args)
{
IdentifyComboBox.Items.Clear();
// Check for new results.
if (args.IdentifyResults.Count > 0)
{
// Show ComboBox and attributes DataGrid.
IdentifyResultsStackPanel.Visibility = Visibility.Visible;
// Add results to ComboBox.
foreach (IdentifyResult result in args.IdentifyResults)
{
string title = string.Format("{0} ({1})", result.Value.ToString(), result.LayerName);
IdentifyComboBox.Items.Add(title);
}
// Workaround for ComboBox bug.
IdentifyComboBox.UpdateLayout();
// Store the list of Identify results.
_lastIdentifyResult = args.IdentifyResults;
// Initialize ComboBox and fire SelectionChanged.
IdentifyComboBox.SelectedIndex = 0;
}
else
{
// Hide ComboBox and attributes DataGrid and notify the user.
IdentifyResultsStackPanel.Visibility = Visibility.Collapsed;
MessageBox.Show("No features found");
}
}
private void IdentifyTask_ExecuteCompleted(object sender, IdentifyEventArgs args)
{
// Remove previous results
identifyComboBox.Items.Clear();
// If results are found make the grid visible
if (args.IdentifyResults.Count > 0)
{
identifyResultsStackPanel.Visibility = Visibility.Visible;
// Display value for each layer in the identify combo box
foreach (IdentifyResult result in args.IdentifyResults)
{
string title = string.Format("{0} ({1})", result.Value.ToString(), result.LayerName);
identifyComboBox.Items.Add(title);
}
identifyComboBox.UpdateLayout();
_lastIdentifyResult = args.IdentifyResults;
identifyComboBox.SelectedIndex = 0;
}
else
{
identifyResultsStackPanel.Visibility = Visibility.Collapsed;
MessageBox.Show("No features found");
}
}